Phosphuranylite
A variety of Minerals

What is Phosphuranylite?
Phosphuranylite is a uranyl phosphate mineral with formula KCa(H3O)3(UO2)7(PO4)4O4·8(H2O). It was first described in 1879 by Frederick Augustus Genth, from an occurrence in the Flat Rock pegmatite in Mitchell County, North Carolina, US.
Phosphuranylite Market Value Calculator
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Phosphuranylite Localities Map
See where Phosphuranylite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Bright yellow; deep golden-yellow, honey-yellow
- Hardness (Mohs)
- 2.5
- Streak
- Pale yellow
Chemical Properties
- Chemical Formula
- [H3O]+3KCa(UO2)7(PO4)4O4 · 8H2O
- Elements
- Ca, H, K, O, P, U
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